last october, 200 rode from san francisco to los angeles. what happens on those rides? >> wordin: it's magic. something happens, they get so physically tired that they let their guard down. and all of a sudden, it comes gushing out. and it's all different. >> pitts: they're not alone. >> wordin: not only are they not alone, but they find that they have a way to overcome it. >> pitts: what was clay like on the rides? >> wordin: he was great. i mean, he really enjoyed riding. that's what makes it so frustrating with how the end came, because, like, he was always looking forward to the next ride. and then all of a sudden, no. >> pitts: hunt told john wordin he'd be on the ride to recovery in texas in march, 2011. he had moved back to houston, had a new job, a new truck, a new girlfriend, but was still haunted by what he had seen and done in war. on march 31, clay hunt sat alone in his apartment and shot himself through the head. he was 28 years old. >> stacy hunt: you never dream that a child will... will commit suicide. you never... you just can't imagine things getting t